1678580

Information

• Patent Grant
• 1678580

• References
• Source

• Patent Number

  1,678,580

• Date Filed

  Not available

• Date Issued

  Tuesday, July 24, 1928
  96 years ago

• CPC

  • D06P3/68 - preparing azo dyes on the material
  • D06P1/22 - using vat dyestuffs including indigo
  • D06P3/12 - preparing azo dyes on the material
  • D06P3/6025 - using vat or sulfur dyes
  • Y10S8/917 - Wool or silk
  • Y10S8/918 - Cellulose textile
  • Y10S534/01 - Mixtures of azo compounds

• US Classifications

  • 008 - Bleaching and dyeing
  • 534 - Organic compounds